Integrated Environmental Systems, Inc. (IES) represents a diverse group of manufacturers who produce specialty heating and air conditioning equipment. We are capable of handling any HVAC project for commercial and industrial buildings. Our seasoned sales engineers work daily in the design and application of equipment for commercial air distribution, commercial energy recovery, custom air handling systems, air distribution systems, dehumidification systems, humidification systems, and industrial space heating systems. We have been serving the Western Pennsylvania, Western Maryland and Northern West Virginia region since 1990. Our philosophy is to provide our customer with dependable and consistent service in a first class style. We are ready to support your project from the concept design through the commissioning and owner training phase.